| Index | Custer | South Dakota | National |
| Cost of living | 93 | 92 | 100 |
| Groceries | 100 | 99 | 100 |
| Health care | 98 | 97 | 100 |
| Housing | 80 | 77 | 100 |
| Transportation | 98 | 96 | 100 |
| Utilities | 102 | 103 | 100 |
| Lifestyle & Entertainment | 96 | 94 | 100 |
| Household Items | 97 | 96 | 100 |
| Education & Childcare | 98 | 98 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $106,517 | $8,876 | $2,485 | $3,196 |
| Renters | $33,622 | $2,802 | $784 | $1,009 |
| State | General Sales Tax | With Max Surtax |
| South Dakota | 4.5% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| South Dakota | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Pringle, SD | 232 | 99 | 1.3% |
| Keystone, SD | 561 | 90 | 9.6% |
| Hill City, SD | 601 | 97 | 3.3% |
| Custer, SD | 2,402 | 93 | 7.0% |
| City | Population | Cost of Living Index | National Avg. |
| Virginia Gardens, FL | 2,402 | 125 | 25.0% |
| Brewster, WA | 2,402 | 103 | 2.5% |
| Boissevain-Morton, MB | 2,402 | n/a | |
| Collierville, CA | 2,401 | 146 | 45.5% |
| Salmon Brook, CT | 2,401 | 121 | 21.3% |
| Custer, SD | 2,402 | 93 | 7.0% |